jQuery tips and tricks

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In this article you will learn about few jQuery tips and tricks of interesting. Until you practice, you will not be able to be master of jQuery.

jQuery tips:

To check if checkbox is checked:

 if ($("#checkID").is(':checked')) {
 ...
 }

or

 if ($('#checkID').attr('checked')) {
 ...
 }

Check whether an element exists or not:

 if ($("#myDIV").length)
 {
 ...
 }

Block mouse right click:

 $(document).bind("contextmenu", function(e) {
 return false;
 });

Whether an element is visible or not:

 $("#myDIV").is(":visible");

To get the size of the element:

 $('element').length

Scroll the page to the div ID:

 $(document).scrollTop($('#myDIV').offset().top);

Replace an element by another:

 $("#oldID").replaceWith("<span>New content goes here...</span>");

Find an element by CSS class:

 $('body').find('.myclass');

Document.ready:

 $(document).ready(function() {
 ....
 });

Window resize:

 $(window).resize(function(){
 ...
 });

Find an element by attribute:

 $('#myDIV').find('span[class="sp"]').hide();

Based on United States, Jacob Frazier is a skilled JavaScript developer with over 8 years of experience. He is passionate about change and trying new things, both professionally and personally. He loves startups and is extremely proactive.

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